/*
* Created on Oct 24, 2007
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* Copyright @2007-2013 the original author or authors.
*/
package org.fest.swing.hierarchy;
import static org.fest.util.Lists.emptyList;
import static org.fest.util.Lists.newArrayList;
import java.awt.Component;
import java.awt.Container;
import java.util.Collection;
import javax.annotation.Nonnull;
import javax.swing.JDesktopPane;
import javax.swing.JInternalFrame;
import javax.swing.JInternalFrame.JDesktopIcon;
import org.fest.swing.annotation.RunsInCurrentThread;
/**
* Finds children {@code Component}s in a {@code JDesktopPane}.
*
* @author Yvonne Wang
*/
final class JDesktopPaneChildrenFinder implements ChildrenFinderStrategy {
@Override
@RunsInCurrentThread
public @Nonnull Collection<Component> nonExplicitChildrenOf(@Nonnull Container c) {
if (!(c instanceof JDesktopPane)) {
return emptyList();
}
return internalFramesFromIcons(c);
}
// From Abbot: add iconified frames, which are otherwise unreachable. For consistency, they are still considered
// children of the desktop pane.
@RunsInCurrentThread
private @Nonnull Collection<Component> internalFramesFromIcons(@Nonnull Container c) {
Collection<Component> frames = newArrayList();
for (Component child : c.getComponents()) {
if (child instanceof JDesktopIcon) {
JInternalFrame frame = ((JDesktopIcon) child).getInternalFrame();
if (frame != null) {
frames.add(frame);
}
continue;
}
// OSX puts icons into a dock; handle icon manager situations here
if (child instanceof Container) {
frames.addAll(internalFramesFromIcons((Container) child));
}
}
return frames;
}
}